Heating stove



c. H. RA'MussEN Jan. 17, 1928.

HEATING STOVE Filed March 10, 1924 Jar/11101 v i Patented Jan. 17, 1928.

tesasaa JEATENT "oF icEQ Bastianss mv, of DES moINEs, IOWA.

(The object of invention is to" provide an auxiliary heatei device ofz'simple, durable and inexpensive construction designed to -be applied to an ordinary heating stove or -fur- 5 nace=for thep'urpo'se of materially incr eas- 'in'g-radiation from the heatings'tove or {furiv' -t :1 j'ui-C;'-';'i=-. i-E w-z, "-gizr c -2'3":

A further object is to pro ide a heate'r device of the chara cter- "described; so l structed and arranged that a strong circulation of air'will b'e nfaintaiiied within the interior of the heater device, to thereby discharge additional heated air into the room to be heated, and at the same time increase l5 the radiation from the outer walls of the combustion chamber of the stove or furnace. My invention consists in the construction, arrangement and combination of the various parts of the device, whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claims, and illustrated in the accompanying drawings, in which:

Figure 1 shows a vertical central sectional view of a heating stove having my improved heater device applied thereto. The arrows in said figure illustrate the direction of the flow of air currents into and out of said heater device.

Figure 2 shows a top or plan view of the heater device detached from the stove.

Referring to the accompanying drawings, I have used the reference numeral 10 to indicate generally the stove or furnace to which my improvement is applied. The top of the stove or furnace is indicated by the numeral 11 and is provided with a central opening at its top which is usually covered with a lid. not shown, so that a kettle or other article to be heated may be placed thereon when the lid is removed. The top 11 is also provided with a flue member 12.

My improved auxiliary heater device comprises a hollow body 13 preferably made of cast metal and open at its top. The bottom and sides of the heater body 13 extend upwardly and outwardly to a point spaced apart from the interior of the combustion chamber sufiiciently to provide ample room for a passageway of the products of combustion to the flue. This heater body 13 may be made in various sizes and shapes to suit the conditions of the stoves or furnaces of different sizes and shapes.

In use the products of combustion arising from the fire in the stove or furnace will be portediin anyiordinaryway."

deflected bythe heater body outwardly'and upwardly and be caused to travel in close contact-with the walls of the' stove or furnace, thereby-increasing the heat applied to said walls andrthe corresponding radiation of" heat from'the outer surface of the :com-

bixstio'n-cham'bet wallsi? The top' of the 'heater body is connected to the undervsurface of the stove top 11 "by means-ofstzrews 14, although it maybe sup- At the center of the opening in the top of the heater body 13 is a screw threaded collar 15 supported by braces 16 which extend outwardly and are connected to the top portion of the heater body. Mounted in the collar 15 is a fresh air supply pipe 17 having its lower end resting upon the bottom of the heater body and formed with large air circulating openings 18 at its lower end.

Mounted. on top of the pipe 17 is a head 19 formed hollow and provided with a. central opening 20 at its top, and with a number of radially extending hollow arms 21 open at their outer ends and communicating with the interior of the head at their inner ends. These hollow arms are preferably substantially flat on top to form a con venient support for a tea kettle or other vessel to be heated. These arms 21 are above the top of the stove. and extend outwardly beyond the opening in the top of the stove.

Hence, with my improvement, I not only increase the radiation of heat from the outer walls of the combustion chamber due to the heat deflecting action of my heater device, but I also provide an additional source of radiated heat from within the interior of the heater device, which I have demonstrated is almost equal to the radiation from the outer walls of an ordinary heating stove.

As an additional means for delivering relatively cool air to the interior of the heater device and avoiding the retarding action of the eurrezzis of heated air arising from the bottom of the heater device, I have provided the pipe 17. When the opening 20 at the top of this pipe is not obstructed, relativel cool air will pass straight down through it to the bottom of the heater device. When, however, a tea kettle or other article is placed on top of the hollow arms 21, the central opening 20 is closed, but relatively cool air is admitted into the outer ends of the hollow arms 21, and the presence of a tea kettle or the like full of relatively cool water on top of these hollow arms 21 serves to deflect the cool air may readilyflow inthrou'gh the open ends of these hollow arms 21. I claim as my invention:

1. A heaterdevice cmnpnising in ceinbina-- tion a combustion chamber, a hollow heater body supportedimthe upper-end o'f the combustion chamber and be-i-ng-closed at its :bot.- tom 'andlsides and open atiits *tepgand a .pipe- :open at 1 its I lower: =.end- :extended downwardly through the open. upper endof the heater 1 body to. a point adiacent to the bottom of the interior of'fthe hollow body :.the upper end/of said pipe "being extended to a .point (spaced-above the iopnnfilthe heater body, and a rnumber. 10f .0l1tWaldly 8XtflHd6d hollow members :comnmnicating 'with the in- 'terior'of saidpip' 'at-the'topwand open at theimouter-ends at pointsspaoed laterally beyond the open upper end of the hollow body.

2. A device of the class described com prising a hollow heater body closed at its .bottom and sides and open at its top, and a.

pipe open at both ends and extended downwwarrl-lyihroughthe open upper end of the heater body to a point adjacent to the bottom ofi'the interiorrofithehollow-Mod ,dahe upper 'endof said pipebeing-extende stOl-{twpOlntspaced above!the top'of-the heater-body, land a rnumber 2 of "outwardly :ex-tended ".hollow arms communicating with the .'\ii1tenior=.- bf said pipeat the top. and open at mhei-ri-outer ends and designed to support a vessel tolbe heated.

: Des Moines, -.I0wa., -=Ma-rch- .3, 11924.

CLARENCE H. RASMUSSEN. 

